reid. first thing in the morning, right here, on abc's "this week." >>> meantime, a major political scandal is erupting in nebraska tonight. the state's lieutenant governor resigning tonight. a republican married for 29 years, quickly resigned, according to the omaha world herald, after disclosures he made thousands of improper phone calls to four women over the past four years. >>> and in texas tonight, a reward for information leading to whoever gunned down a texas prosecutor. the man who made his name fighting organized crime was gunned down in cold blood. here tonight is abc's mark greenblatt. >> reporter: murder in broad daylight this week of one of texas' toughest prosecuting attorneys. now has a small army of investigators working seven days a week. police say mark hasse was gunned down by one, or perhaps two, shooters. right next to the courthouse. his boss told abc news that he was fearless in putting the worst bad guys behind bars. >> he ran across the baddest guys in this part of